Vocabulary consisting only from characters you are able to read
白黒
shirokuro
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
億
oku
(num) 100,000,000, hundred millionjlpt4
幸い
saiwai
happiness, blessednessmix
執事
shitsuji
(1)steward, butler, (2)court official, (3)deacon (Anglican, Lutheran, etc.) mix